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KR890002931A - Electrical contacts for vacuum interrupters - Google Patents

Electrical contacts for vacuum interrupters Download PDF

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Publication number
KR890002931A
KR890002931A KR1019880008691A KR880008691A KR890002931A KR 890002931 A KR890002931 A KR 890002931A KR 1019880008691 A KR1019880008691 A KR 1019880008691A KR 880008691 A KR880008691 A KR 880008691A KR 890002931 A KR890002931 A KR 890002931A
Authority
KR
South Korea
Prior art keywords
chromium
weight percent
contact
circuit breaker
copper
Prior art date
Application number
KR1019880008691A
Other languages
Korean (ko)
Other versions
KR970006439B1 (en
Inventor
죠셉 샌틀리 빈센트
Original Assignee
에이. 미츠, 쥬니어
웨스팅하우스 일렉트릭 코오포레이숀
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Publication date
Application filed by 에이. 미츠, 쥬니어, 웨스팅하우스 일렉트릭 코오포레이숀 filed Critical 에이. 미츠, 쥬니어
Publication of KR890002931A publication Critical patent/KR890002931A/en
Application granted granted Critical
Publication of KR970006439B1 publication Critical patent/KR970006439B1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches
    • H01H1/0206—Contacts characterised by the material thereof specially adapted for vacuum switches containing as major components Cu and Cr

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  • Contacts (AREA)
  • Powder Metallurgy (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Manufacture Of Switches (AREA)

Abstract

내용 없음No content

Description

진공 차단 장치용 전기 접점Electrical contacts for vacuum interrupters

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

도면은 진공차단기의 단면을 부분적으로 도시한 입면도이다.The figure is an elevation view which shows the cross section of a vacuum circuit breaker partially.

Claims (6)

진공 차단장치에 사용하기 위해 밀접 소결된 진공차단기 접점에 있어서,상기 접점은 50 내지 75 중량80%구리 입자중에 과밀하게 분포된 2.5내지 15 중량 5% 비스무트를 구비하고, 접점의 나머지 부분은 균일하게 분산되어 결합하는 회로망에 구리,비스무트 및 크롬으로 에워싸여진 산화크롬(Cr2O3,CrO3)의 혼합물과 크롬을 포함하는 것을 특징으로하는 진공차단기.In a vacuum circuit breaker contact that is closely sintered for use in a vacuum interrupter, the contact has between 2.5 and 15 weight 5% bismuth heavily distributed in 50 to 75 weight 80% copper particles, the remainder of the contact being uniform A vacuum circuit breaker comprising a mixture of chromium oxide (Cr 2 O 3 , CrO 3 ) and chromium surrounded by copper, bismuth, and chromium in a dispersed and bonded network. 제1항에 있어서, 구리 입자 크기는 300[μm]이하인 것을 특징으로하는 진공차단기 접점.The vacuum circuit breaker contact according to claim 1, wherein the copper particle size is 300 [μm] or less. 제1항또는 제2항에 있어서,10 내지 25 중량% 크롬과 4내지 15 중량% 산화크롬을 포함하고,상기 Cr2O3은 구리-비스무트-크롬 구성물에 혼합되어 커다란 구리입자 성장을 저해시키는 것을 특징으로하는 진공차단기 접점.3. The method of claim 1, comprising from 10 to 25 weight percent chromium and from 4 to 15 weight percent chromium oxide, wherein the Cr 2 O 3 is mixed in a copper-bismuth-chromium constituent to inhibit large copper particle growth. Vacuum circuit breaker contacts, characterized in that. 진공차단기 접점을 제조하는 방법에 있어서,(A) (a)50 내지 75 중량% 구리 (b)15 내지 30 중량% 크롬 (c)2.5 내지 15 중량% 비스무트, 및 (d)0.5 내지 7.5 중량% 크롬 산화물로 이루어진 혼합물을 제공하는 단계화:(B)접점 고형 물질을 형성하기 위해 혼합물을 냉각 강압시키는 단계와:(C)크롬을 산화시켜서 밀집 접점을 생성하기 위해 수증기를 포함하는 유동가스 상태에 고형물질을 소결시키는 단계와:(D)소결된 접점을 냉각하는 단계:로 이루어진 것을 특징으로하는 방법.A method of making a vacuum circuit breaker contact, comprising: (A) (a) 50 to 75 weight percent copper (b) 15 to 30 weight percent chromium (c) 2.5 to 15 weight percent bismuth, and (d) 0.5 to 7.5 weight percent Staged to provide a mixture of chromium oxide: (B) cooling down the mixture to form contact solids and (C) subjecting it to a flowing gas state comprising water vapor to oxidize chromium Sintering the solid material and: (D) cooling the sintered contact. 제4항에 있어서,혼합물은 1 내지 3% 중량의 산화크롬을 포함하는 것을 특징으로하는 방법.The method of claim 4, wherein the mixture comprises 1 to 3% by weight of chromium oxide. 제4항에 있어서,가스는 수소가스이고 수중기는 0.006 체적% 이상에서 수소가스내에 존재하며, 소결은 750oC 내지 1000oC에서 행하여지는 것을 특징으로하는 방법.The method of claim 4, wherein the gas is hydrogen gas and the submersible is present in the hydrogen gas at 0.006 vol% or more and the sintering is performed at 750 ° C. to 1000 ° C. 6. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880008691A 1987-07-13 1988-07-13 Electrical contact for vacuum interrupter KR970006439B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US072,317 1987-07-13
US07/072,317 US4743718A (en) 1987-07-13 1987-07-13 Electrical contacts for vacuum interrupter devices

Publications (2)

Publication Number Publication Date
KR890002931A true KR890002931A (en) 1989-04-12
KR970006439B1 KR970006439B1 (en) 1997-04-28

Family

ID=22106840

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880008691A KR970006439B1 (en) 1987-07-13 1988-07-13 Electrical contact for vacuum interrupter

Country Status (9)

Country Link
US (1) US4743718A (en)
JP (1) JP2530484B2 (en)
KR (1) KR970006439B1 (en)
CN (1) CN1023270C (en)
CA (1) CA1327131C (en)
DE (1) DE3822509A1 (en)
GB (1) GB2208234B (en)
IN (1) IN170712B (en)
ZA (1) ZA884424B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100323741B1 (en) * 1999-11-19 2002-02-19 이종수 Vacuum in terrupter for Vacuum contact breaker

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* Cited by examiner, † Cited by third party
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US4743718A (en) * 1987-07-13 1988-05-10 Westinghouse Electric Corp. Electrical contacts for vacuum interrupter devices
US4797522A (en) * 1988-02-11 1989-01-10 Westinghouse Electric Corp. Vacuum-type circuit interrupter
EP0414709B1 (en) * 1988-04-20 1993-07-21 Siemens Aktiengesellschaft Sintered contact material based on silver for use in power engineering switchgear, in particular for contact pieces in low-voltage switches
US4940862A (en) * 1989-10-26 1990-07-10 Westinghouse Electric Corp. Vacuum interrupter with improved vapor shield for gas adsorption
US5225381A (en) * 1989-11-02 1993-07-06 Mitsubishi Denki Kabushiki Kaisha Vacuum switch contact material and method of manufacturing it
JPH03149719A (en) * 1989-11-02 1991-06-26 Mitsubishi Electric Corp Contact material for vacuum switch and manufacture thereof
TW237551B (en) * 1990-06-07 1995-01-01 Toshiba Co Ltd
JP2908071B2 (en) * 1991-06-21 1999-06-21 株式会社東芝 Contact material for vacuum valve
DE4128798A1 (en) * 1991-08-27 1992-04-02 Slamecka Ernst Vacuum switch for medium-HV network - consists of two part switching housing with metallic electrically conducting and electrically insulating material
JP2766441B2 (en) * 1993-02-02 1998-06-18 株式会社東芝 Contact material for vacuum valve
CN1064082C (en) * 1994-06-14 2001-04-04 北京市联合大学 Bioenzyme used for dismounting pictures and the method therefor
US5793008A (en) * 1996-11-01 1998-08-11 Eaton Corporation Vacuum interrupter with arc diffusing contact design
US6437275B1 (en) 1998-11-10 2002-08-20 Hitachi, Ltd. Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes thereof
EP0917171A3 (en) * 1997-11-14 1999-07-28 Hitachi, Ltd. Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes thereof
TW200425192A (en) * 2003-01-09 2004-11-16 Hitachi Ltd Electrode for vacuum interrupter, vacuum interrupter using the same and vacuum circuit-breaker
JP2006120373A (en) * 2004-10-20 2006-05-11 Hitachi Ltd Vacuum circuit breaker, vacuum valve, electrode and its manufacturing method
CN1812028B (en) * 2006-03-09 2010-11-17 吴学栋 Contact with strong connecting-disconnecting function
ATE488847T1 (en) * 2006-12-15 2010-12-15 Abb Research Ltd CONTACT ELEMENT
US9368301B2 (en) * 2014-01-20 2016-06-14 Eaton Corporation Vacuum interrupter with arc-resistant center shield
JP6090388B2 (en) * 2015-08-11 2017-03-08 株式会社明電舎 Electrode material and method for producing electrode material
CN108885958B (en) * 2016-03-29 2020-02-07 三菱电机株式会社 Method for manufacturing contact member, and vacuum valve
CN106024431A (en) * 2016-06-15 2016-10-12 台州西普电气有限公司 Material formula of vacuum circuit breaker contact and manufacturing method

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DE2659012C3 (en) * 1976-12-27 1980-01-24 Siemens Ag, 1000 Berlin Und 8000 Muenchen Process for producing a sintered contact material from silver and embedded metal oxides
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JPS6059691B2 (en) * 1979-02-23 1985-12-26 三菱電機株式会社 Vacuum shield contact and its manufacturing method
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100323741B1 (en) * 1999-11-19 2002-02-19 이종수 Vacuum in terrupter for Vacuum contact breaker

Also Published As

Publication number Publication date
GB2208234A (en) 1989-03-15
CN1030999A (en) 1989-02-08
JPS6436738A (en) 1989-02-07
JP2530484B2 (en) 1996-09-04
GB8816480D0 (en) 1988-08-17
KR970006439B1 (en) 1997-04-28
DE3822509A1 (en) 1989-01-26
ZA884424B (en) 1989-03-29
GB2208234B (en) 1991-01-16
CN1023270C (en) 1993-12-22
US4743718A (en) 1988-05-10
CA1327131C (en) 1994-02-22
IN170712B (en) 1992-05-09

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